> ## Documentation Index
> Fetch the complete documentation index at: https://docs.useharmonia.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Agents and AI platform

> The Google agent and model services behind Harmonia's bounded specialist team.

## How Harmonia uses it

Google ADK defines the specialist team and strict handoffs. Gemini performs bounded specialist reasoning and media work, Agent Engine provides managed sessions when configured, and Memory Bank supplies provenance-bearing advisory facts.

<CardGroup cols={2}>
  <Card title="Google ADK" href="/platform/agents/google-adk">Agent runtime and contracts.</Card>
  <Card title="Gemini" href="/platform/agents/gemini">Reasoning and multimodal models.</Card>
  <Card title="Agent Engine" href="/platform/agents/agent-engine">Managed runtime integration.</Card>
  <Card title="Memory Bank" href="/platform/agents/memory-bank">Eligible cross-job context.</Card>
</CardGroup>

## Evidence status

Tests establish schema and authority behavior. Managed-service claims require separately captured authenticated evidence; Memory Bank never becomes workflow truth.